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hlsdemux: Handle GST_SEEK_TYPE_NONE seek

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When one is only updating the "stop" position (i.e. non-flushing seek,
with GST_SEEK_TYPE_NONE on the "start" (or stop in reverse) position),
we only need to store those values instead of moving the current position.

https://bugzilla.gnome.org/show_bug.cgi?id=775127
This commit is contained in:
Edward Hervey 2016-11-26 09:26:36 +01:00 committed by Edward Hervey
parent 9b89f58cae
commit 9053a01e72
1 changed files with 61 additions and 53 deletions
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10
ext/hls/gsthlsdemux.c
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@ -296,7 +296,7 @@ gst_hls_demux_seek (GstAdaptiveDemux * demux, GstEvent * seek)
GstHLSDemux *hlsdemux = GST_HLS_DEMUX_CAST (demux); GstHLSDemux *hlsdemux = GST_HLS_DEMUX_CAST (demux);
GstFormat format; GstFormat format;
GstSeekFlags flags; GstSeekFlags flags;
GstSeekType start_type, stop_type; GstSeekType start_type, stop_type, target_type;
gint64 start, stop; gint64 start, stop;
gdouble rate, old_rate; gdouble rate, old_rate;
GList *walk, *stream_walk; GList *walk, *stream_walk;
@ -348,6 +348,7 @@ gst_hls_demux_seek (GstAdaptiveDemux * demux, GstEvent * seek)
/* TODO why not continue using the same? that was being used up to now? */ /* TODO why not continue using the same? that was being used up to now? */
gst_hls_demux_change_playlist (hlsdemux, bitrate, NULL); gst_hls_demux_change_playlist (hlsdemux, bitrate, NULL);
} }
for (stream_walk = demux->streams; stream_walk != NULL; for (stream_walk = demux->streams; stream_walk != NULL;
stream_walk = stream_walk->next) { stream_walk = stream_walk->next) {
GstHLSDemuxStream *hls_stream = GstHLSDemuxStream *hls_stream =
@ -358,7 +359,13 @@ gst_hls_demux_seek (GstAdaptiveDemux * demux, GstEvent * seek)
current_pos = 0; current_pos = 0;
reverse = rate < 0; reverse = rate < 0;
target_pos = reverse ? stop : start; target_pos = reverse ? stop : start;
target_type = reverse ? stop_type : start_type;
if (target_type == GST_SEEK_TYPE_NONE && !(flags & GST_SEEK_FLAG_FLUSH)) {
/* No need to move */
gst_segment_do_seek (&demux->segment, rate, format, flags, start_type,
start, stop_type, stop, NULL);
} else {
/* Snap to segment boundary. Improves seek performance on slow machines. */ /* Snap to segment boundary. Improves seek performance on slow machines. */
keyunit = ! !(flags & GST_SEEK_FLAG_KEY_UNIT); keyunit = ! !(flags & GST_SEEK_FLAG_KEY_UNIT);
snap_nearest = snap_nearest =
@ -420,6 +427,7 @@ gst_hls_demux_seek (GstAdaptiveDemux * demux, GstEvent * seek)
start, stop_type, current_pos, NULL); start, stop_type, current_pos, NULL);
} }
} }
}
return TRUE; return TRUE;
} }